<template>
  <div>
    <!-- 面包屑导航-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>

  <!-- 卡片-->
  <el-card class="box-card">
    <!-- 搜索与添加区域 -->
  <el-row :gutter="20">
  <el-col :span="8">
  <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getUsersList'>
    <el-button slot="append" icon="el-icon-search" @click="getUsersList"></el-button>
  </el-input>
  </el-col>
  <el-col :span="4"><el-button type="primary" @click="dialogVisible=true">添加用户</el-button></el-col>
  </el-row>
<!-- 用户列表 -->
<el-table :data="userslist" stripe border>
  <el-table-column type="index" label="#"></el-table-column>
  <el-table-column label="用户名" prop="username"></el-table-column>
  <el-table-column label="邮箱" prop="email"></el-table-column>
  <el-table-column label="电话" prop="mobile"></el-table-column>
  <el-table-column label="角色" prop="role_name"></el-table-column>
  <el-table-column label="状态" >
    <!-- 作用域插槽 -->
    <template slot-scope="scope">
     <el-switch v-model="scope.row.mg_state" @change="statusChanged(scope.row)"></el-switch>
    </template>
  </el-table-column>

  <el-table-column label="操作"  width="180px">
    <template  slot-scope="scope"><el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
<el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
 <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
      <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
    </el-tooltip>
</template>
  </el-table-column>
</el-table>
<!-- 分页 -->
<el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]"  :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper" :total="total">
    </el-pagination>

<!-- 添加用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%" @close='dialogClosed'>
      <!-- 表单 -->
<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" class="demo-ruleForm">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机号码" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" >
    <el-button @click="dialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser()">确 定</el-button>
  </span>
</el-dialog>

<!-- 修改用户对话框 -->
<el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
<el-form :model="editUserInfo" :rules="editFormRules" ref="editFormRef" label-width="70px" class="demo-ruleForm">
  <el-form-item label="用户名" >
    <el-input v-model="editUserInfo.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editUserInfo.email"></el-input>
  </el-form-item>
  <el-form-item label="电话" prop="mobile">
    <el-input v-model="editUserInfo.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" >
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUser()">确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色对话框 -->
<el-dialog title="分配权限" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色：
      <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>

  </el-card>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      queryInfo: {
        query: '',
        pagenum: 1, // 当前页数
        pagesize: 2 // 当前每页显示多少条数据
      },
      userslist: [],
      total: 0,
      dialogVisible: false,
      editDialogVisible: false,
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          { min: 6, max: 10, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }]
      },
      editUserInfo: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }]
      },
      setRoleDialogVisible: false,
      userInfo: [],
      rolesList: [],
      selectedRoleId: ''
    }
  },
  created () {
    this.getUsersList()
  },
  methods: {
    async getUsersList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.userslist = res.data.users
      this.total = res.data.total
    },
    handleSizeChange (newPagesize) {
      this.queryInfo.pagesize = newPagesize
      this.getUsersList()
    },
    handleCurrentChange (newPagenum) {
      this.queryInfo.pagenum = newPagenum
      this.getUsersList()
    },
    async statusChanged (userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    dialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击确定按钮
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.dialogVisible = false
        this.getUsersList()
      })
    },
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editUserInfo = res.data
      this.editDialogVisible = true
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put('users/' + this.editUserInfo.id, {
          email: this.editUserInfo.email,
          mobile: this.editUserInfo.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户失败！')
        }
        this.$message.success('修改用户成功！')
        this.editDialogVisible = false
        this.getUsersList()
      })
    },
    async deleteUser (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUsersList()
    },
    async setRole (uInfo) {
      this.userInfo = uInfo
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUsersList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }

}
</script>
<style lang="less" scoped>

</style>
